@book { DieVorsorgevollmachtinderPersonengesellschaft,
    title = "Die Vorsorgevollmacht in der Personengesellschaft",
    author = "Julius {Busold}",
    year = "2019",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b15569",
    url = "https://www.peterlang.com/document/1057463"
}